You put your left brain in,
Your right brain out,
In out-in out,
You shake 'em all about,
You do the hocus pocus
And you turn around,
That's what it's all about!

Oh! hocus-hocus pocus!
Oh! hocus-hocus pocus!
Oh! hocus-hocus pocus!

Knees bend! Arms stretch!
Ra! Ra! Ra!

Brian Routh

http://www.poemhunter.com/poem/left-brain-right-brain/